Improvement in wagon-springs



N.FHEY A Improvement nWagonmSprings'. N0. 114,796.. Paented May 16, i871.

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UNITED STATES PATENT OEEICE.

NATHANIEL FREY, OF ERIE, PENNSYLVANIA.

IMPROVEMENT IN WAGON-SPRINGS.

Specification forming part of Letters Patent N0. 114,796, dated May 16, 1871.

Description of the Accompanying Dran-ing.

Figure l is aside elevation of a wagon bolster and springs. Fig. 2 is aplan of the same, showing the peculiar form of the springs. Fig. 3 is a cross-section, showing the elevation of the points of the springs above the bolster.

General Description.

A is a bolster or bed-piece, to which the springs E F are fixed by means of the plates H, clamps J, plates I, and staples L. B is a spring-bar, resting on the points I of the springs, and'exhibiting the method of applying burden to the springs. J are clamps, with jaws k, secured to the bolster with setscrews m n. Said clamps, being made long enough, with the set-screws, may be firmly fixed to bolsters varying in Width.

L are staples in plates I, to retain that portion of the spring with which they come in contact in lposition while in use. H H are plates, itted, in connection with the clamps J, in a manner that springs E F may turn freely in a cavity or bearing between them. E F t', Figs. l, 2, 3, shows the form of two springs bent or formed from two pieces of metal without forging, and crossing each other at o, Figs. 1, 2.

The position of the springs may be inverted or changed to suit convenience in use.

I claim- The arrangement of two torsion-springs, E and F, crossing each other at o, secured to the bolster by means of the plates I and H, and operating in combination with the spring-bar B, substantially as described.

- N ATHANI EL FREY.

'Vitnesses: J. B. McINTosH, CHARLES HAUsMANN. 

